The housing is manufactured from aluminum plate by milling on the CNC machine. The transistors are mounted on a copper insert by soldering.
This PA should be mounted into the radiator (that is not included in this KIT) that able to absorb up to 300 watt. The item "PA 23cm 1296 MHz 300 Watt WSJT mode pallet" is in sale since Tuesday, February 20, 2018. This item is in the category "Consumer Electronics\Radio Communication\Ham, Amateur Radio\Ham Radio Amplifiers".
The seller is "vhfdesign" and is located in Kiev. This item can be shipped worldwide.